This is the best and most widely used Geometry software for educational purposes.
You can download a Preview version for free and use it for 20 minutes at a time (but not save or print, but of course can use a screen capture tool), $30 for the student version which will last you forever isn't bad.
http://www.dynamicgeometry.com/
This is the best and most widely used Geometry software for educational purposes.
You can download a Preview version for free and use it for 20 minutes at a time (but not save or print, but of course can use a screen capture tool), $30 for the student version which will last you forever isn't bad.